# import datetime;
# import time;
# def findfive(a):
#     n = 0;
#     while a % 5 == 0:
#         a = a/5;
#         n = n+1;
#     return n;

# def findzero(N):
#     x = 0;
#     if N == 0:
#         return 0;
#     for i in range(0,N+1,5):
#         if i == 0:
#             continue;
#         n = findfive(i);
#         x = x + n;
#     return x;


# t = datetime.datetime.now().strftime("%H:%M:%S.%f");
# print(t)

# print(findzero(10000000));

# t = datetime.datetime.now().strftime("%H:%M:%S.%f");
# print(t)

def findfive(a):
    

def findzero(self,N):
    x = 0;
    y = 0;
    if N/5 < 1:
        return y;
    x = N/5;
    y = x;
    while x%5 == 0:
        x = x/5;
        y = y+x;
    return y;


